Trichiurus lepturus

Metal	Muscle	Head	Eye	Gill	Bone	Overall mean
Cr	BDL	BDL	0.48^c	1.19^a	0.35^b	0.4
Cd	0.33^b	BDL	0.39^b	1.07^b	0.33^a	0.42
Pb	0.09^c	BDL	0.03^d	0.18^a	0.11^b	0.08
Cu	BDL	BDL	BDL	1.86^a	0.56^a	0.48
Zn	0.25^c	0.37^b	0.43^b	0.01^d	0.35^a	0.28
Ni	BDL	BDL	0.01^b	0.01^b	BDL	<0.01

Data are mean of replicate (2) determinations. BDL: Below instrument detection limit. Letters a, b, c and d show differences among the different tissues. Data shown with different letters are statistically different at P<0.05 level.

Table 4a: Level of heavy metal in Trichiurus lepturus organs (mg/kg).